Quarterly report pursuant to Section 13 or 15(d)

Commitment and Contingencies - Additional Information (Detail)

v3.22.1
Commitment and Contingencies - Additional Information (Detail)
$ in Thousands
1 Months Ended 3 Months Ended
Apr. 01, 2022
USD ($)
Property
Apr. 30, 2022
USD ($)
Property
Mar. 31, 2022
USD ($)
Property
Mar. 31, 2021
USD ($)
Property
Dec. 31, 2021
USD ($)
Commitment And Contingencies [Line Items]          
Operating lease, aggregate right-of-use assets     $ 18,900   $ 19,500
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]     Other assets   Other assets
Operating lease liabilities     $ 18,700   $ 19,200
Operating Lease, Liability, Statement of Financial Position [Extensible List]     us-gaap:AccountsPayableAndAccruedLiabilitiesMember   us-gaap:AccountsPayableAndAccruedLiabilitiesMember
Operating lease expenses     $ 700 $ 600  
Weighted average remaining lease term     10 years 1 month 6 days    
Weighted average discount rate     4.59%    
Operating lease commitments     $ 23,971    
Number of storage facilities acquired | Property     18 16  
Purchase Price     $ 351,510    
Expansion and enhancement contracts     56,900    
Unamortized senior term note discount     10,786   $ 11,154
Subsequent Event [Member]          
Commitment And Contingencies [Line Items]          
Purchase Price $ 54,800        
Self-storage Facilities [Member]          
Commitment And Contingencies [Line Items]          
Purchase price of business to be acquired     $ 279,100    
Number of storage facilities acquired | Property     15    
Number of storage facilities to be acquired | Property     10    
Self-storage Facilities [Member] | Subsequent Event [Member]          
Commitment And Contingencies [Line Items]          
Purchase price of business to be acquired   $ 88,500      
Number of storage facilities acquired | Property 5 5